9. Baha’i Faith
Followers: 5 million
Baha’i Faith is founded in Persia (current Iran) in the 19th century by Bahá’u’lláh and teaches about the unity of all humankind through the unity of God, religion, and humanity. It also teaches that through history, divine messengers were sent to Earth in order to establish the religion fitting to that particular period. According to The Baha’i International Community, the religion has 5 million followers all around the world, including substantial numbers in India, Kenya, and the United States.